Problemset - Codeforces

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Problems

#	Name
196C	Paint Tree constructive algorithms, divide and conquer, geometry, sortings, trees	2200	x740
1267I	Intriguing Selection brute force, constructive algorithms, implementation, interactive, sortings	2600	x729
1949F	Dating greedy, sortings, trees	2200	x726
1107F	Vasya and Endless Credits dp, flows, graph matchings, graphs, sortings	2600	x721
15D	Map data structures, implementation, sortings	2500	x715
35E	Parade data structures, sortings	2100	x701
1195F	Geometers Anonymous Club data structures, geometry, math, sortings	2500	x694
1662N	Drone Photo combinatorics, math, sortings		x690
1952J	Help, what does it mean to be "Based" brute force, constructive algorithms, expression parsing, implementation, sortings		x688
596D	Wilbur and Trees dp, math, probabilities, sortings	2300	x672
1080F	Katya and Segments Sets data structures, interactive, sortings	2400	x671
101D	Castle dp, greedy, probabilities, sortings, trees	2300	x671
383B	Volcanoes binary search, implementation, sortings, two pointers	2500	x653
1383D	Rearrange brute force, constructive algorithms, graphs, greedy, sortings	2800	x640
1019D	Large Triangle binary search, geometry, sortings	2700	x625
109D	Lucky Sorting constructive algorithms, sortings	2000	x615
1514E	Baby Ehab's Hyper Apartment binary search, graphs, interactive, sortings, two pointers	2700	x584
1532D	Teams Forming *special problem, sortings		x580
1346C	Spring Cleaning *special problem, greedy, sortings	1600	x579
665F	Four Divisors data structures, dp, math, number theory, sortings, two pointers	2400	x576
160E	Buses and People binary search, data structures, sortings	2400	x576
39C	Moon Craters dp, sortings	2100	x569
639E	Bear and Paradox binary search, greedy, math, sortings	2800	x567
1682E	Unordered Swaps constructive algorithms, dfs and similar, graphs, greedy, math, sortings, trees	2700	x561
70C	Lucky Tickets binary search, data structures, sortings, two pointers	2200	x561
883J	Renovation constructive algorithms, greedy, sortings	2400	x556
1184B2	The Doctor Meets Vader (Medium) flows, graph matchings, graphs, shortest paths, sortings	2200	x542
1810F	M-tree data structures, math, sortings, trees	2800	x538
163C	Conveyor sortings, two pointers	2100	x537
173E	Camping Groups data structures, sortings	2600	x535
1508D	Swap Pass constructive algorithms, geometry, sortings	3000	x529
1476G	Minimum Difference data structures, hashing, sortings, two pointers	3100	x528
1534G	A New Beginning data structures, dp, geometry, sortings	3300	x525
85C	Petya and Tree binary search, dfs and similar, probabilities, sortings, trees	2200	x522
1424M	Ancient Language graphs, sortings	2200	x521
253E	Printer binary search, data structures, implementation, sortings	2200	x521
542A	Place Your Ad Here data structures, sortings	2400	x520
314D	Sereja and Straight Lines binary search, data structures, geometry, sortings, two pointers	2500	x515
912C	Perun, Ult! brute force, greedy, sortings	2500	x508
989D	A Shade of Moonlight binary search, geometry, math, sortings, two pointers	2500	x505
421D	Bug in Code binary search, data structures, sortings	1900	x493
73B	Need For Brake binary search, greedy, sortings	2000	x488
1211C	Ice Cream *special problem, greedy, sortings	1700	x477
685D	Kay and Eternity brute force, implementation, sortings	2600	x477
1841F	Monocarp and a Strategic Game geometry, sortings, two pointers	2700	x470
798E	Mike and code of a permutation constructive algorithms, data structures, graphs, sortings	3000	x458
1181E1	A Story of One Country (Easy) brute force, divide and conquer, sortings	2500	x453
681E	Runaway to a Shadow geometry, sortings	2500	x451
1552G	A Serious Referee bitmasks, brute force, dfs and similar, sortings	3000	x450
538G	Berserk Robot constructive algorithms, math, sortings	3100	x443
649C	Печать условий constructive algorithms, greedy, sortings	1500	x439
306B	Optimizer data structures, greedy, sortings	2100	x437
1608E	The Cells on the Paper binary search, implementation, sortings	2800	x423
1214F	Employment greedy, sortings	2700	x422
1500D	Tiles for Bathroom data structures, sortings, two pointers	2900	x413
269D	Maximum Waterfall data structures, dp, graphs, sortings	2600	x413
1297B	Cartoons *special problem, implementation, sortings		x407
198E	Gripping Story binary search, data structures, sortings	2400	x401
1388E	Uncle Bogdan and Projections data structures, geometry, sortings	2700	x398
1238G	Adilbek and the Watering System data structures, greedy, sortings	2700	x391
852C	Property greedy, sortings	2100	x375
249D	Donkey and Stars data structures, dp, geometry, math, sortings	2700	x375
286D	Tourists data structures, sortings	2600	x371
1844F2	Min Cost Permutation (Hard Version) binary search, constructive algorithms, data structures, greedy, math, sortings	2800	x368
140F	New Year Snowflake geometry, sortings	2600	x360
47E	Cannon data structures, geometry, sortings	2200	x352
1558F	Strange Sort data structures, sortings	3300	x349
166D	Shoe Store dp, graph matchings, greedy, sortings, two pointers	2500	x346
379E	New Year Tree Decorations geometry, schedules, sortings	2500	x337
460E	Roland and Rose brute force, geometry, math, sortings	2700	x335
1806F1	GCD Master (easy version) greedy, math, number theory, sortings	2900	x328
1508E	Tree Calendar brute force, constructive algorithms, data structures, dfs and similar, sortings, trees	3100	x327
1805F2	Survival of the Weakest (hard version) greedy, math, sortings, two pointers	3100	x325
773E	Blog Post Rating data structures, sortings	3000	x316
178F2	Representative Sampling dp, sortings, strings	2200	x314
1583H	Omkar and Tours data structures, divide and conquer, sortings, trees	3300	x313
1896G	Pepe Racing constructive algorithms, implementation, interactive, sortings	3200	x304
1637H	Minimize Inversions Number data structures, greedy, math, sortings	3500	x300
778E	Selling Numbers dp, sortings	3000	x299
1396D	Rainbow Rectangles data structures, sortings, two pointers	3300	x297
1403A	The Potion of Great Power *special problem, 2-sat, binary search, data structures, graphs, interactive, sortings, two pointers	2400	x286
1682F	MCMF? data structures, flows, graphs, greedy, sortings, two pointers	2700	x285
1726G	A Certain Magical Party combinatorics, data structures, greedy, sortings	3300	x282
203E	Transportation greedy, sortings, two pointers	2300	x276
105C	Item World brute force, implementation, sortings	2200	x270
1806F2	GCD Master (hard version) greedy, math, sortings	2900	x267
1860F	Evaluate RBS data structures, geometry, implementation, math, sortings	2900	x265
1181E2	A Story of One Country (Hard) brute force, greedy, sortings	3000	x264
1297D	Bonus Distribution *special problem, binary search, greedy, sortings		x257
350D	Looking for Owls binary search, data structures, geometry, hashing, sortings	2400	x256
434E	Furukawa Nagisa's Tree binary search, divide and conquer, sortings, trees	3000	x252
1956F	Nene and the Passing Game constructive algorithms, data structures, dsu, graphs, sortings	3000	x249
62C	Inquisition geometry, implementation, sortings	2300	x247
1515I	Phoenix and Diamonds binary search, data structures, sortings	3400	x225
720D	Slalom data structures, dp, sortings	3100	x224
648D	Собачки и миски data structures, greedy, sortings	1900	x221
528E	Triangles 3000 geometry, sortings	3100	x214
1515H	Phoenix and Bits bitmasks, brute force, data structures, sortings	3500	x212
833E	Caramel Clouds data structures, dp, sortings	3400	x210
478E	Wavy numbers brute force, dfs and similar, meet-in-the-middle, sortings	2900	x204